10221022101020 has 48 divisors (see below), whose sum is σ = 21472489584000. Its totient is φ = 4086820062720.

The previous prime is 10221022101013. The next prime is 10221022101023. The reversal of 10221022101020 is 2010122012201.

It is a junction number, because it is equal to n+sod(n) for n = 10221022100986 and 10221022101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221022101023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907642190 + ... + 907653450.

It is an arithmetic number, because the mean of its divisors is an integer number (447343533000).

Almost surely, 2^{10221022101020} is an apocalyptic number.

10221022101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221022101020 is an abundant number, since it is smaller than the sum of its proper divisors (11251467482980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221022101020 is a wasteful number, since it uses less digits than its factorization.

10221022101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24878 (or 24876 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10221022101020 its reverse (2010122012201), we get a palindrome (12231144113221).

The spelling of 10221022101020 in words is "ten trillion, two hundred twenty-one billion, twenty-two million, one hundred one thousand, twenty".